Add 72/36 and 20/27
1st number: 2 0/36, 2nd number: 20/27
72/36 + 20/27 is 74/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 36 × 3 = 108,
72/36 = 72 × 3/36 × 3 = 216/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
20/27 = 20 × 4/27 × 4 = 80/108 - Add the two like fractions:
216/108 + 80/108 = 216 + 80/108 = 296/108 - 296/108 simplified gives 74/27
- So, 72/36 + 20/27 = 74/27
In mixed form: 220/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/36+40/27 72/36+20/54 72/36+60/27 72/36+20/81